FluentValidation 8.2.2

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

There is a newer version of this package available.
See the version list below for details.
Install-Package FluentValidation -Version 8.2.2
dotnet add package FluentValidation --version 8.2.2
<PackageReference Include="FluentValidation" Version="8.2.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FluentValidation --version 8.2.2
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

FluentValidation 8 is a major release. Please read the upgrade notes at https://fluentvalidation.net/upgrading-to-8

Changes in 8.2.1:
* Resolved issue using InjectValidator with RuleForEach.
* Add support for a default IValidatorInterceptor to be registered with the ASP.NET Core Service Provider.

Changes in 8.2.0:
* Add extensions for injecting child validators using the ASP.NET Core Service Provider.
* Implement RuleFor(...).ForEach(...) as an alternative to RuleForEach.
* WithLocalizedMessage is deprecated. Use the overload of WithMessage that takes a Func instead.

Changes in 8.1.3:
* Resolved issue where clientside validation was incorrectly generating metadata for rules with shared conditions.
* ScalePrecisionValidator now has a public method in the fluent interface.
* Fix placeholder names in ScalePrecisionValidator for consistency.
* Updates to Portuguese (Brazil) translations.

Changes in 8.1.2:
* Fix issue where shared When/Unless conditions didn't execute correctly when used with RuleForEach.
       
Changes in 8.1.1:
* Added RuleSetsExecuted property on ValidationResult.
* Resolved issue introduced in 8.1 where the shared condition cache does not work correctly with RuleForEach (#970).

Changes in 8.1:
* Add format support in message placeholders.
* Added support for overriding indexers for collection rules.
* Allow error codes to be used to override localization key in the Language Manager.
* Additional error details are now shown in the ShouldNotHaveValidationErrorFor test extension.
* Conditions defined with root-level When/WhenAsync/Unless/UnlessAsync are now only executed once (instead of once for each rule).
* Support Otherwise method chained from root-level When/WhenAsync/Unless/UnlessAsync.
* Minor wording changes to default English error messages.
* Japanese translation of the default error messages.
* Added Skip property to MVC5's CustomizeValidatorAttribute for parity with AspNetCore and WebApi.
* Remove type constraint on the OverridePropertyName overload that takes an expression.

Added Skip property to MVC5's CustomizeValidatorAttribute to bring parity with AspNetCore and WebApi integration.
Changes in 8.0:
* Support validating only specific properties by path.
* Added OnFailure method
* Deprecated RuleFor(..).SetCollectionValidator in favour of RuleForEach(...).SetValidator
* IStringSource.GetString now takes a validation context instead of a model instance.
* Introduce PropertyValidatorOptions in order to clean up the IPropretyValidator interface.
* Moved the legacy ValidatorAttribute and AttributedValidatorFactory into a separate FluentValidation.Attributes package.
* Remove the pre-7.0 localization mechanism
* Remove the pre-7.0 methods for custom validation
* Removed many other deprecated methods

Full release notes can be found at https://github.com/JeremySkinner/FluentValidation/blob/master/Changelog.txt

Version History

Version Downloads Last updated
8.5.0-preview1 1,003 5/10/2019
8.4.0 38,364 5/10/2019
8.3.0 74,529 4/24/2019
8.2.3 50,475 4/12/2019
8.2.2 91,432 4/5/2019
8.2.1 8,633 4/4/2019
8.2.0 121,584 3/26/2019
8.1.3 730,209 1/25/2019
8.1.2 418,512 12/18/2018
8.1.1 107,561 12/11/2018
8.1.0 67,841 12/6/2018
8.1.0-preview2 4,063 11/14/2018
8.1.0-preview1 3,957 10/14/2018
8.0.101 180,614 11/24/2018
8.0.100 938,721 9/4/2018
8.0.0 228,243 8/16/2018
8.0.0-rc1 12,077 7/24/2018
8.0.0-preview4 1,764 7/16/2018
8.0.0-preview3 777 7/13/2018
8.0.0-preview2 545 7/13/2018
7.6.105 132,655 8/11/2018
7.6.104 733,853 7/6/2018
7.6.103 325,660 6/16/2018
7.6.102 70,047 6/14/2018
7.6.101 19,148 6/13/2018
7.6.100 47,907 6/7/2018
7.6.0 118,186 6/1/2018
7.6.0-preview1 8,176 4/12/2018
7.5.2 1,022,318 3/16/2018
7.5.1 63,210 3/11/2018
7.5.0 230,707 2/26/2018
7.4.0 371,695 1/26/2018
7.3.4 296,240 1/2/2018
7.3.3 77,548 12/22/2017
7.3.2 11,615 12/21/2017
7.3.1 90,203 12/13/2017
7.3.0 6,333 12/13/2017
7.3.0-beta3 5,347 12/8/2017
7.3.0-beta2 11,450 11/20/2017
7.3.0-beta1 2,097 11/11/2017
7.2.1 806,892 10/24/2017
7.2.0 238,176 10/5/2017
7.2.0-beta3 17,344 9/5/2017
7.2.0-beta2 3,694 8/22/2017
7.2.0-beta1 831 8/19/2017
7.1.1 669,517 7/25/2017
7.1.0 216,255 6/28/2017
7.1.0-beta1 712 6/24/2017
7.0.3 160,738 6/7/2017
7.0.2 97,030 5/26/2017
7.0.1 32,386 5/23/2017
7.0.0 90,945 5/19/2017
7.0.0-beta3 4,466 5/1/2017
7.0.0-beta2 4,277 4/17/2017
7.0.0-beta1 1,806 4/7/2017
6.4.1 434,826 3/15/2017
6.4.1-beta1 1,501 3/13/2017
6.4.0 330,213 3/3/2017
6.4.0-rc4 121,655 2/13/2017
6.4.0-rc3 9,860 2/3/2017
6.4.0-rc2 16,741 1/30/2017
6.4.0-rc1 668 1/30/2017
6.4.0-beta9 52,261 11/21/2016
6.4.0-beta8 23,751 10/31/2016
6.4.0-beta7 1,060 10/28/2016
6.4.0-beta6 1,460 10/25/2016
6.4.0-beta5 1,184 10/24/2016
6.4.0-beta4 1,180 10/21/2016
6.4.0-beta3 40,915 7/4/2016
6.4.0-beta2 1,989 7/1/2016
6.4.0-beta10 579 1/30/2017
6.4.0-beta1 3,853 6/28/2016
6.3.4-alpha 118,040 6/1/2016
6.3.3-alpha 962 5/27/2016
6.2.1 1,550,796 2/26/2016
6.2.1-beta1 4,695 2/24/2016
6.2.0 24,842 2/22/2016
6.2.0-beta1 973 2/12/2016
6.1.0 163,576 1/18/2016
6.0.2 51,986 1/5/2016
6.0.1 6,357 1/5/2016
6.0.0 26,770 12/22/2015
5.6.2 574,418 5/29/2015
5.6.1 5,878 5/29/2015
5.5.0 393,490 10/31/2014
5.4.0 243,583 7/3/2014
5.3.0 47,297 5/27/2014
5.2.0 18,592 5/21/2014
5.1.0 223,886 3/11/2014
5.0.0.1 134,189 10/24/2013
4.0.0.1 110,481 7/18/2013
4.0.0 57,183 4/29/2013
3.4.6 160,979 8/30/2012
3.4.0 22,981 8/17/2012
3.3.1 19,141 3/30/2012
3.2.0 31,773 11/14/2011
3.1.0 25,939 7/30/2011
3.0.0.1 2,644 7/5/2011
3.0.0 2,563 6/25/2011
2.0.0 12,172 1/9/2011
1.3.0 14,411 1/7/2011